T. D. Kusworo, W. Widayat, A. F. Mahadita, D. Firizqina, and D. P. Utomo, “Bio-oil and Fuel Gas Production from Agricultural Waste via Pyrolysis: A Comparative Study of Oil Palm Empty Fruit Bunches (OPEFB) and Rice Husk”, Period. Polytech. Chem. Eng., vol. 64, no. 2, pp. 179–191, Jan. 2020.